code: def _gen_image() -> Image:
      image = Image()
      image.add(src=TEST_SRC)
      return image
  
file_path: pyecharts/test/test_image.py
imports: from unittest.mock import patch
  from nose.tools import assert_in
  from pyecharts import options
  from pyecharts.components import Image
  from pyecharts.globals import CurrentConfig, NotebookType
label_desc: Use image node_id 1 for calling a global function with example usage: _gen_image() and returns: image